Comment 3 for bug 1796949

Built kernel with patches that fix CPPC issues, and re-run the test.

== Enable CPPC control in firmware ==

CAVM_CN99xx# env set cppccontrol 1

== Bionic kernel with patches ==

ubuntu@starbuck:~$ uname -a
Linux starbuck 4.15.0-38-generic #41~lp1796949+build.1 SMP Tue Oct 16 17:06:56 UTC 2018 aarch64 aarch64 aarch64 GNU/Linux
ubuntu@starbuck:~$ ls -lR /sys/devices/system/cpu/cpu1/acpi_cppc/
/sys/devices/system/cpu/cpu1/acpi_cppc/:
total 0
-r--r--r-- 1 root root 4096 Oct 16 18:45 feedback_ctrs
-r--r--r-- 1 root root 4096 Oct 16 18:45 highest_perf
-r--r--r-- 1 root root 4096 Oct 16 18:45 lowest_nonlinear_perf
-r--r--r-- 1 root root 4096 Oct 16 18:45 lowest_perf
-r--r--r-- 1 root root 4096 Oct 16 18:45 nominal_perf
-r--r--r-- 1 root root 4096 Oct 16 18:45 reference_perf
-r--r--r-- 1 root root 4096 Oct 16 18:45 wraparound_time
ubuntu@starbuck:~$ cat /sys/devices/system/cpu/cpu1/acpi_cppc/highest_perf
2500000
ubuntu@starbuck:~$ cat /sys/devices/system/cpu/cpu1/acpi_cppc/lowest_perf
1000000
ubuntu@starbuck:~$ cat /sys/devices/system/cpu/cpu1/acpi_cppc/feedback_ctrs
ref:2240139584 del:2315092606
ubuntu@starbuck:~$